package com.demo.highSpeedMap.entity;

import java.util.HashMap;

public interface Distance {

    public static final MinStep UNREACHABLE = new MinStep(false, -1);
    /**
     * @param start
     * @param end
     * @param stepLength
     * @return
     * @Author:wangbh
     * @Description: 起点到终点的最短路径
     */
    public MinStep getMinStep(String start, String end, final HashMap<String, HashMap<String, Integer>> stepLength);

}
